1. Symantec/
  2. Security Response/
  3. W32.Nopir.C


Risk Level 2: Low

June 4, 2005
February 13, 2007 12:39:48 PM
Also Known As:
Win32.Nopir.C [Computer Associ, P2P-Worm.Win32.VB.db [Kaspersk, Del-471 [McAfee], W32/Nopir-E [Sophos], WORM_NOPIR.C [Trend Micro]
Systems Affected:

W32.Nopir.C is a worm that attempts to spread through file sharing applications such as eMule, Kazaa, Morpheus, and Gnucleus. The worm lowers security settings and deletes .MP3, .AVI, .MPG, .MPEG, and .RAR files.

Antivirus Protection Dates

  • Initial Rapid Release version June 5, 2005
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version June 5, 2005
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date June 5, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Costin Ionescu

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